Continuous positive airway pressure (CPAP) therapy is a common treatment for obstructive sleep apnea. A CPAP machine uses a hose and mask or nosepiece to deliver constant and steady air pressure.

Adjust your CPAP machine settings with your healthcare provider’s approval to reduce side effects. Make sure your CPAP mask fits well to prevent air leakage and skin irritation. Losing or gaining ...

Medically reviewed by Sanja Jelic, MD Key Takeaways CPAP therapy creates pressure that helps keep your airway open while you sleep.A CPAP device reduces symptoms like snoring and nighttime awakenings.